polars_io::predicates

Trait PhysicalIoExpr

Source 
pub trait PhysicalIoExpr: Send + Sync {
    // Required method
    fn evaluate_io(&self, df: &DataFrame) -> PolarsResult<Series>;
}

Required Methods§

Source

fn evaluate_io(&self, df: &DataFrame) -> PolarsResult<Series>

Take a DataFrame and produces a boolean Series that serves as a predicate mask

Implementors§